From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93398ECAAD5 for ; Fri, 9 Sep 2022 16:05:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230358AbiIIQFn (ORCPT ); Fri, 9 Sep 2022 12:05:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229845AbiIIQFl (ORCPT ); Fri, 9 Sep 2022 12:05:41 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 381C51269F8; Fri, 9 Sep 2022 09:05:40 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 963C2B82584; Fri, 9 Sep 2022 16:05:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43BF3C43142; Fri, 9 Sep 2022 16:05:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662739537; bh=vZdt9ixCZtMLcAI25GuWDIZT5TxgjuuYoXVx/JYGVGY=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=odSrelK3eNCHpDgWE8Y3tTlD/NuoAGPqafEe+Bker9e8oMm6a2LIAJhSr0+1xukvV 6yCeit3xFM4/NpIN/vJUAcWjZpLz8FesYCby1lFimWunO+zR7IqAwGzbsaLpIRfjNn Itk5K24hwseJ7RShTWP7wZscLn2qJoArckxSYgKp52s+jjKbH+NAt6rkjHMsHMM0CM hpwe810k33BLU0KXZIzdeg3Ckd5LrILTIx/nEdnykWbB7zvZy0LGvPCaRI5CyJ0GII 6UWD4kfMJjFAT9xgwQos7feHJ57Ohq0WqOS0+R0RCRG4pNTMV4y6XqrEErhQEKzI9o ZyHYVyBpwL9zg== Received: by mail-oa1-f45.google.com with SMTP id 586e51a60fabf-1278a61bd57so5038146fac.7; Fri, 09 Sep 2022 09:05:37 -0700 (PDT) X-Gm-Message-State: ACgBeo3aaPbEG+pOGskB2VnRI/Nvu809DZOEIBEL79YPcLtHXglM5G3Y BitYUAxfNHkrEWSE3r/i0riFPu/akuSEoBDXtXM= X-Google-Smtp-Source: AA6agR4l0hQbiJb5tqPV7ginxf4L2jgOl514Oejh5l5k9dTzEz2tfwqmk7IGsBHhGG67/L3lxzVanhheUehYuKXgwFE= X-Received: by 2002:a05:6870:32d2:b0:127:f0b4:418f with SMTP id r18-20020a05687032d200b00127f0b4418fmr5643550oac.22.1662739536321; Fri, 09 Sep 2022 09:05:36 -0700 (PDT) MIME-Version: 1.0 References: <20220909120736.1027040-1-roberto.sassu@huaweicloud.com> <20220909120736.1027040-7-roberto.sassu@huaweicloud.com> In-Reply-To: <20220909120736.1027040-7-roberto.sassu@huaweicloud.com> From: Song Liu Date: Fri, 9 Sep 2022 17:05:25 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v17 06/12] bpf: Add bpf_lookup_*_key() and bpf_key_put() kfuncs To: Roberto Sassu Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Mykola Lysenko , David Howells , Jarkko Sakkinen , Steven Rostedt , Ingo Molnar , paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, Shuah Khan , bpf , keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kselftest@vger.kernel.org, open list , =?UTF-8?Q?Daniel_M=C3=BCller?= , Kumar Kartikeya Dwivedi , Roberto Sassu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: On Fri, Sep 9, 2022 at 1:09 PM Roberto Sassu wrote: > > From: Roberto Sassu > > Add the bpf_lookup_user_key(), bpf_lookup_system_key() and bpf_key_put() > kfuncs, to respectively search a key with a given key handle serial number > and flags, obtain a key from a pre-determined ID defined in > include/linux/verification.h, and cleanup. > > Introduce system_keyring_id_check() to validate the keyring ID parameter of > bpf_lookup_system_key(). > > Signed-off-by: Roberto Sassu > Acked-by: Kumar Kartikeya Dwivedi Acked-by: Song Liu [...]